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A few small harmless pranks between friends is one thing, but what do you do when you are the victim of a prank that turns the key mapping for your keyboard into a complete train wreck? Today’s SuperUser Q&A post has the answers that a frustrated reader needs to deal with his keyboard woes.

Reinstalling Windows is a good way to fix serious problems with your computer, or just to get a fresh slate. But before you reinstall Windows, you should make a list of programs you currently have installed on your PC so you know what you want to reinstall on the new system.

Parental controls in Windows 10 are pretty solid, but to use them you have to set the whole family up with Microsoft accounts and you have to create specific child accounts for your kids. If you prefer to use regular local accounts, you can still set time limits for how long any non-administrative user can use a computer.

With Windows 10’s Anniversary Update, Microsoft is making it possible for developers to convert traditional Windows desktop applications to Universal Windows Platform (UWP) applications. But anyone can do this with any app–not just developers.

Windows 10’s Anniversary Update offers a big new feature for developers: A full, Ubuntu-based Bash shell that can run Linux software directly on Windows. This is made possible by the new “Windows Subsystem for Linux” Microsoft is adding to Windows 10.

We all have things on our home network we want to access from the outside: music collections, game servers, file stores, and more. Dynamic DNS makes it easy to give your home network a memorable and easy to use address.

Windows users may not want for much, but when it comes to OS X, there are still some items one might put on their feature wish list. Among these is the ability to get a “quick look” at images, PDFs, and other documents by pressing the spacebar.

Though it’s had its share of flaky behavior since being introduced in Windows 8, the Windows Store has gotten more reliable over time. It still has the occasional problems, though. One of the more irritating issues is when an app update (or install) gets stuck. Here’s how to fix that.

The tar command on Linux is often used to create .tar.gz or .tgz archive files, also called “tarballs.” This command has a large number of options, but you just need to remember a few letters to quickly create archives with tar. The tar command can extract the resulting archives, too.

Bookmarks in Word are useful for navigating through your document, allowing you to quickly jump to specific parts of it. You can add and remove bookmarks, but Word does not let you rename them. However, we’ll show you a way around that limitation.

Windows features a ridiculous number of ways to shut down. You’ll find options on the Start menu, Administrative Tools menu, and the Login and Lock screens. You can also shut Windows down using keyboard shortcuts (Alt+F4 at the desktop) and even the command line. Here’s how to disable them all for specific users.

A Kodi-based home theater PC is great for watching your ripped or downloaded videos, but even if you’ve cut cable from your life, there’s still a time and place for live TV–like sports. Here’s how to watch and record live TV from Kodi on Windows.

There are occasions when getting into Android’s bootloader or recovery systems is necessary—perhaps the OS is having issues and you need to factory reset, or maybe you want to root your phone. Fortunately, booting into the bootloader and recovery are both very simple. Here’s how to do it.

You can sync notes on your iPhone or iPad to your iCloud account, but did you know you can also sync notes with Gmail? You can add your Gmail account to the Notes app and access any notes added to that account on any computer–Mac or Windows.

Jump lists contain commands and recent files you see when you right-click an icon on the Windows Start menu or task bar. If you’d like to clear your recent items from a jump list, you can. The trick is finding the right file to delete.

Sony’s PlayStation 4 can now stream games to Windows PCs and Macs with a feature called Remote Play. That means you can play your games right on your PC or laptop, without hogging the TV when your spouse or roommates want to use it.

So you’re connected to a Wi-Fi network from way back when, but you can’t remember what the password is. Whether you’ve changed the default password or not, it’s simple to find it. You can look up any Wi-Fi network password if you’ve previously connected to that network from your computer or phone.

F.lux is a handy little app that warms the light from your computer screen in the evening to help you sleep better. Philips’ Hue lights can also adjust their color temperature. This clever integration links the two, so your screen and your general room lighting change together.

Bluetooth speakers are so 2014. While they’re great on an individual portable basis, they only have an effective range of around 30 feet. Worse still, usually you can only control one Bluetooth speaker from one device at a time, and audio quality isn’t great over Bluetooth. That however, is where Sonos shines.

You’ve taken pictures of a paper document using your Android phone, and now you need to send it to someone. We’ll show you an easy way you can convert these images to a PDF file to make it easier to share this document.

Windows 10 includes “Work Access” options, which you’ll find under Accounts in the Settings app. These are intended for people who need to connect to an employer or school’s infrastructure with their own devices. Work Access provides you access to the organization’s resources and gives the organization some control over your device.

Normally, I wouldn’t mind too much that an app is ugly–especially one as mundane as a file archiver. But it’s not just 7-Zip’s in-app icons. It also changes your Windows icons for ZIP, 7Z, TGZ, and other archive file types to these horrific, blurry, pre-Vista-looking icons that permeate my hard drive. (See the screenshot above.)

DID YOU KNOW?

Mount Everest was originally calculated to be 29,000 feet tall in 1856, but the reported number was changed to 29,002 to avoid people assuming it was merely a rounded estimate. Mount Everest’s actual height of 29,029 feet was officially established in 1955.